6742864 has 40 divisors (see below), whose sum is σ = 13874112. Its totient is φ = 3168000.

The previous prime is 6742859. The next prime is 6742889. The reversal of 6742864 is 4682476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26739 + ... + 26989.

Almost surely, 2^6742864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6742864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6937056).

6742864 is an abundant number, since it is smaller than the sum of its proper divisors (7131248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6742864 is a wasteful number, since it uses less digits than its factorization.

6742864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 6742864 is about 2596.7025243566. The cubic root of 6742864 is about 188.9215355080.

The spelling of 6742864 in words is "six million, seven hundred forty-two thousand, eight hundred sixty-four".